| A | B |
| What type of mixture is black coffee? | homogenous |
| What type of mixture is blood? | heterogenous |
| What type of mixture is chicken noodle soup? | heterogenous |
| Given: K, Cs, As, Br, which has the largest atomic radius? | Cs |
| Given: K, Cs, As, Br, which has the largest electronegativity? | Br |
| Given: Li, Rb, K, Na, which has the smallest electronegativity? | RB |
| How many valence electrons does Si have? | 4 |
| Given an orbital diagram be able to determine the element. | OK |
| Which element’s electron configuration ends in 6s2? | Barium |
| What is the correct electron dot structure for oxygen? | ..0.. |
| Calculate the number of electrons in magnesium. | 12 |
| Calculate the number of neutrons in oxygen – 17. | 9 |
| Calculate the number of protons in 31 P. | 15 protons |
| Calculate the number of neutrons, protons, and electrons that 126 Te has? | 52 p, 52e-, and 74n |
| Thomson used the cathode ray to discover which subatomic particle? | electron |